atmel单片机 atmega16l-8pu

features
• high-performance, low-power avr® 8-bit microcontroller
• advanced risc architecture
– 131 powerful instructions – most single-clock cycle execution
– 32 x 8 general purpose working registers
– fully static operation
– up to 16 mips throughput at 16 mhz
– on-chip 2-cycle multiplier
• high endurance non-volatile memory segments
– 16k bytes of in-system self-programmable flash program memory
– 512 bytes eeprom
– 1k byte internal sram
– write/erase cycles: 10,000 flash/100,000 eeprom
– data retention: 20 years at 85°c/100 years at 25°c(1)
– optional boot code section with independent lock bits
in-system programming by on-chip boot program
true read-while-write operation
– programming lock for software security
• jtag (ieee std. 1149.1 compliant) interface
– boundary-scan capabilities according to the jtag standard
– extensive on-chip debug support
– programming of flash, eeprom, fuses, and lock bits through the jtag interface
• peripheral features
– two 8-bit timer/counters with separate prescalers and compare modes
– one 16-bit timer/counter with separate prescaler, compare mode, and capture
mode
– real time counter with separate oscillator
– four pwm channels
– 8-channel, 10-bit adc
8 single-ended channels
7 differential channels in tqfp package only
2 differential channels with programmable gain at 1x, 10x, or 200x
– byte-oriented two-wire serial interface
– programmable serial usart
– master/slave spi serial interface
– programmable watchdog timer with separate on-chip oscillator
– on-chip analog comparator
• special microcontroller features
– power-on reset and programmable brown-out detection
– internal calibrated rc oscillator
– external and internal interrupt sources
– six sleep modes: idle, adc noise reduction, power-save, power-down, standby
and extended standby
• i/o and packages
– 32 programmable i/o lines
– 40-pin pdip, 44-lead tqfp, and 44-pad qfn/mlf
• operating voltages
– 2.7 - 5.5v for atmega16l
– 4.5 - 5.5v for atmega16
• speed grades
– 0 - 8 mhz for atmega16l
– 0 - 16 mhz for atmega16
• power consumption @ 1 mhz, 3v, and 25°c for atmega16l
– active: 1.1 ma
– idle mode: 0.35 ma
– power-down mode: < 1 μa